import axios from "axios"

export default {
    namespaced: true,
    state(){
      return {
        list: []
      }
    },mutations:{
      updateList(state,list){
        state.list = list
      },
      changeCount(state, {id, count}){
        const item = state.list.find(item => item.id === id)
        if(item){
          item.count = count
        }
      }
    },
    actions: {
      async getList(context){
         const res = await axios.get('http://localhost:3000/cart')
         console.log(res)
         context.commit('updateList', res.data)
       },
       async  updateCount(context, payload){
          await axios.patch(`http://localhost:3000/cart/${payload.id}`, {
            count: payload.count
          })
          // 提交mutation, 修改state中的数据
          context.commit('changeCount', payload)
        }
}
  }